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David L. Crawforth — 3 Patents

MOMorrison-Knudsen: 3 patents #2 of 35Top 6%
Boise, ID: #1,601 of 3,546 inventorsTop 50%
Idaho: #3,065 of 8,810 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David L. Crawforth has been granted 3 US patents while listed as an inventor at Morrison-Knudsen. The first was granted in 1991 and the most recent in July 1993. David L. Crawforth ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David L. Crawforth in Boise, ID, US.

Patents per Year

Patents granted per year, 1991 to 1993Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911992: 1 patents19921993: 1 patents1993

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5226370 Transit car door system and operation Frederick E. Templeton, Robert F. Carter 1993-07-13 $4,921,000
5119739 Transit car door system and operation Frederick E. Templeton, Robert F. Carter 1992-06-09 $3,258,000
4981084 Transit car door system and operation Frederick E. Templeton, Robert F. Carter 1991-01-01

Frequent Collaborators

Robert F. Carter3 shared
Frederick E. Templeton3 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3