* Except where noted, all light units have a circular or elliptical beam pattern.
* Year references = year patent was granted.

D_99286 DESIGN FOR A HEADLIGHT . . . (1936) Kennelly - 1st des. patent "figure 8"

1772499 SIGNAL . . . (1930) Rumsey - basis for "Roto Rays"

1991101 OSCILLATORY LAMP STRUCTURE . . . (1935) Kennelly - 1st mech. patent "figure 8"

2132302 LAMP STRUCTURE . . . (1938) Kennelly - modification to 1991101

2234600 HEADLIGHT . . . (1941) Kennelly - "figure 8" et al.

2342202 LIGHT . . . (1944) Kennelly - unit with lateral beam pattern

2353082 LIGHTING FIXTURE . . . (1944) Roedding & Falge - unit with lateral beam pattern

2409046 SIGNAL DEVICE . . . (1946) Kennelly - "figure 8" with color changing scheme

2417934 OSCILLATING LIGHT SIGNAL DEVICE . . . (1947) Kennelly - "figure 8", basis for Mars WR-5000-A Light

2442569 WARNING-LIGHT PROJECTOR . . . (1948) Kennelly - lateral beam pattern

2446333 OSCILLATING WARNING LIGHT . . . (1948) Kennelly

2455497 OSCILLATING WARNING LIGHT FOR VEHICLES . . . (1948) Kennelly - opposite lateral beam patterns

2456287 WARNING LIGHT FOR VEHICLES . . . (1948) Kennelly - combination pattern for illusion of speed

2460585 WARNING LIGHT AND SEARCHLIGHT COMBINATION . . . (1949) Kennelly - lateral beam pattern

2464318 OSCILLATING WARNING LIGHT . . . (1949) Kennelly - "figure 8"

2486853 SEARCH AND WARNING LIGHT . . . (1949) Kennelly - "figure 8"

2487591 WARNING LIGHT FOR EMERGENCY VEHICLES . . . (1949) Ricci - illusion of a 2nd "satellite" light

2510892 OSCILLATING LIGHT STRUCTURE . . . (1950) Kennelly - complex beam pattern with color changing scheme

2515406 CLEAR AND RED WARNING HEADLIGHT . . . (1950) Howard - unit with unique color changing scheme

2571894 FLUID SHUTTER FOR LIGHT-PROJECTING APPARATUS . . . (1951) Kennelly

2571895 WARNING LIGHT APPARATUS . . . (1951) Kennelly - reverse rotation/lateral beam pattern

2585653 MOUNTING STRUCTURE FOR WARNING AND SIGNALING ILLUMINATION APPARATUS . . . (1952) Heehler - basis for 10350 Gyralite

2595253 WARNING AND SIGNAL LIGHT HAVING OSCILLATABLE LAMP UNITS . . . (1952) Heehler & McDowell

2607838 WARNING LIGHT . . . (1952) McDowell - light with color changing scheme

2607839 ILLUMINATION APPARATUS FOR WARNING AND SIGNALING PURPOSES AND METHOD OF CONTROL . . . (1952) Heehler - unit with color changing scheme, basis of 20350 Gyralite

2645761 ILLUMINATION APPARTUS FOR WARNING AND SIGNALING PURPOSES . . . (1953) McDowell & Heehler - basis for 18350 Gyralite

2654875 COMBINATION WARNING LIGHT AND STATIONARY HEADLIGHT . . . (1953) Heehler - basis for plate mounted sealed beam Gyralites

2666193 SELF-ALIGNING DUAL PURPOSE WARNING HEADLIGHT APPARATUS . . . (1954) Keegan - scheme for beam alignment

2666194 WARNING LIGHT FOR EMERGENCY VEHICLES . . . (1954) Heehler - basis for 15100 Gyralite

2677121 COMBINATION WARNING LIGHT AND STATIONARY HEADLIGHT . . . (1954) Heehler - basis for 20585 Gyralite

2762994 LAMP SUPPORTING ARRANGEMENT FOR ENCLOSED ROTATING SIGNAL LIGHT . . . (1956) Kennelly - circular sweep in horizontal plane

2780796 WARNING LIGHT WITH A RETAINER AND MOUNTING STRUCTURE FOR A SEALED BEAM LAMP . . . (1957) Heehler & Keegan - basis for 20750/20770/20775/20795 Gyralites

2846663 WARNING LIGHT . . . (1958) Heehler - basis for 15360 Gyralite (circular sweep in a horizontal plane)

3423726 MOVEABLE LIGHT FIXTURE MOUNTED ON FLAT COIL SPRINGS . . . (1969) Heehler

3546669 SIGNAL . . . (1970) Kennelly - basis for Mars "888" Light