Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DL

Donald A. Long — 8 Patents

PDPrecision Dynamics: 4 patents #17 of 73Top 25%
General Motors: 3 patents #4,723 of 18,328Top 30%
Burbank, CA: #170 of 2,041 inventorsTop 9%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Donald A. Long has been granted 8 US patents while listed as an inventor at Precision Dynamics. The first was granted in 1980 and the most recent in December 1991. Donald A. Long ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Donald A. Long in Burbank, CA, US.

Patents per Year

Patents granted per year, 1980 to 1991Bar chart with a peak of 4 patents in 1983.peak 41980: 1 patents19801981: 1 patents19811982: 1 patents19821983: 4 patents19831991: 1 patents1991

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5070762 Dual ammunition transfer mechanism Tony Chiu 1991-12-10
4394555 Switch assembly with pivoted actuator Thomas R. Sowash 1983-07-19 $15,484,000
4386795 Identification device with versatile imprinting means Stanley E. Charles, Peter G. Katsenis, Walter W. Mosher, Jr. 1983-06-07
4376237 Vehicle turn signal switch actuator 1983-03-08 $9,828,000
4376236 Multiple function switch assembly Thomas R. Sowash 1983-03-08 $9,828,000
4318234 Identification device with versatile imprinting means Stanley E. Charles, Peter G. Katsenis, Walter W. Mosher, Jr. 1982-03-09
4285146 Tamper-resistant identification device Stanley E. Charles, Arthur H. Schimmelman 1981-08-25
4221063 Tamper-resistant identification device Stanley E. Charles, Arthur H. Schimmelman 1980-09-09