This application is a continuation-in-part of U.S. Ser. No. 08/094,495, now U.S. Pat. No. 5,370,159, filed Jul. 19, 1993.
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Entry |
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Public Service Company of Colorado, Team NGV Natural Gas Vehicle Pamphlet, date unknown. |
Brochure of CNG Equipco, date unknown. |
Industry News "Natural Gas Fuels", Jan. 1993, pp. 6, 7 and 9. |
Industry News "Natural Gas Fuels", vol. 1, Iss. 1, Aug. 1992, pp. 6-9. |
Tri-Fuels Incorporated, Catalog at pp. 26, 52 and 53, date unknown. |
Brochure of Natural Gas Resources, Inc., date unknown. |
Brochure of Tri-Fuels Incorporated, date unknown. |
Arthur Unknown, Title of Book Unknown, pp. 526, 528-531, Publisher Unknown, Date Unknown. |
Number | Date | Country | |
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Parent | 94495 | Jul 1993 |